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Path: utzoo!watmath!clyde!burl!ulysses!mhuxl!houxm!ihnp4!ihuxf!parnass
From: parnass@ihuxf.UUCP (Bob Parnass, AJ9S)
Newsgroups: net.consumers
Subject: Re: Request Info on Home Intercoms
Message-ID: <2367@ihuxf.UUCP>
Date: Mon, 27-Aug-84 09:06:17 EDT
Article-I.D.: ihuxf.2367
Posted: Mon Aug 27 09:06:17 1984
Date-Received: Tue, 28-Aug-84 00:11:02 EDT
References: <194@iham1.UUCP>, <192@exodus.UUCP>, <4272@utzoo.UUCP>
Organization: AT&T Bell Labs, Naperville, IL
Lines: 19

x
     Broadcast to the Neighborhood using Wireless Intercoms

  Some of the FM wireless intercoms transmit  and  receive  in
  the  46  and	49  MHz	 bands.	  These	 bands are shared with
  cordless phones, remote  control  toys  (i.e.	  Radio	 Shack
  tanks/racing cars), and kids'	toy walkie-talkies, etc.

  Other	wireless intercoms use the band	of  frequencies	 below
  the  commercial  AM  broadcast  band.	 I had one that	used a
  frequency near 400 kHz.

  Wireless intercoms that use radio frequencies	are  suscepti-
  ble  to  interference,  and  afford  no privacy.  I can hear
  neighbors' intercoms on my scanners and shortwave receivers.

-- 
===============================================================================
Bob Parnass,  Bell Telephone Laboratories - ihnp4!ihuxf!parnass - (312)979-5414